Jane's idea is great, but it won't fit. Registration papers have 28 spaces. All punctuation and spaces between words count in that.
Mal, Dakota does not have to be in his registered name either. A lot of people have their call name different.
My dogs are Von Shena's (the breeder) great Gazoo.
Chewy is Chartier's Chewin it up
and Rebel is Chartier's sweet rebellion
Legend's registered name is Chartiers little intimidator. (no, i'm not a racing freak at all)
What's his personality like? Does he have any quirks? I'll see what I can think up for ideas.